Quarter	Percent, Seasonally Adjusted
1999-01-01	32.9937432026412
1999-04-01	32.3279995941506
1999-07-01	33.5662636194196
1999-10-01	32.7703633549619
2000-01-01	29.9713312330874
2000-04-01	33.6178749940023
2000-07-01	32.1569674558142
2000-10-01	31.9226541414829
2001-01-01	31.2552801276392
2001-04-01	31.2385655821799
2001-07-01	32.7406359760935
2001-10-01	31.2445953202766
2002-01-01	32.5077549244609
2002-04-01	31.5271536957268
2002-07-01	32.6920358685916
2002-10-01	32.5132005108078
2003-01-01	32.6032387897344
2003-04-01	30.8671718691521
2003-07-01	31.5453951110598
2003-10-01	31.9722060616354
2004-01-01	32.9087740677193
2004-04-01	33.2151911938490
2004-07-01	33.1716248781484
2004-10-01	31.7635847169822
2005-01-01	32.6909169303233
2005-04-01	32.7206856645286
2005-07-01	30.5107965366643
2005-10-01	32.7710371367377
2006-01-01	31.8398458838542
2006-04-01	30.9741098765244
2006-07-01	32.7270811327267
2006-10-01	31.9984656346380
2007-01-01	31.3839468419115
2007-04-01	32.9616050701397
2007-07-01	30.7179690500553
2007-10-01	31.2203812521394
2008-01-01	30.6047043888313
2008-04-01	29.9132156464170
2008-07-01	31.1828563275736
2008-10-01	30.7625259165428
2009-01-01	29.4402359455283
2009-04-01	30.7682340692932
2009-07-01	29.7821476528703
2009-10-01	29.8458474866336
2010-01-01	31.2504780421605
2010-04-01	28.8485545292016
2010-07-01	29.6051564073273
2010-10-01	29.1915871995841
2011-01-01	30.6132532734475
2011-04-01	30.0727021226977
2011-07-01	29.4547513765071
2011-10-01	28.9867544144812
2012-01-01	28.1086033950942
2012-04-01	26.5855114206316
2012-07-01	27.9881893903934
2012-10-01	28.9508023741997
2013-01-01	27.9365309268566
2013-04-01	29.0862826360489
2013-07-01	28.4743081411586
2013-10-01	27.4792136699001
2014-01-01	27.8038655019794
2014-04-01	28.9455844122077
2014-07-01	28.0055432809392
2014-10-01	27.5603002735335
2015-01-01	27.9898147100775
2015-04-01	27.4837965939422
2015-07-01	26.1209644124475
2015-10-01	26.8800455146805
2016-01-01	27.5363855145016
2016-04-01	26.7823356881001
2016-07-01	25.3403717066749
2016-10-01	24.9602429609723
2017-01-01	24.3431189937823
2017-04-01	24.6326693638849
2017-07-01	26.2852333579077
2017-10-01	26.5517289957025
2018-01-01	27.5542834643996
2018-04-01	26.9720345266091